1. which sentence does not contain any errors in comma usage?

a. this easy fun and quick bicycle ride is delightful every time.

b. our old sweaters look like big, fluffy animals.

c. this is the worst, and least exciting museum we've ever toured.

d. the brighter, thinner fabrics will be cooler in the summer.

2. which sentence does not contain any errors in comma usage?

a. in china people first wrote on silk, but then someone invented paper.

b. in china people first wrote on silk but, then someone invented paper.

c. in china people first wrote on silk, but, then someone invented paper.

d. in china people first wrote on silk but then someone invented paper.

3. which sentence does not contain any errors in comma usage?

a. the writer writes mysteries and thrillers and then she publishes them under a false name.

b. the sky looks bright today but, it is supposed to rain this afternoon.

c. todd watched the movie by himself, but, later on he went bowling with his friends.

d. several shoppers bought milk, and others bought bottled water.

4. which sentence does not contain any errors in comma usage?

a. in a plane, or, on a boat, i often get a bit woozy.

b. in a plane or on a boat i often get a bit woozy.

c. in a plane, or on a boat, i often get a bit woozy.

d. in a plane or on a boat, i often get a bit woozy.

5. which sentence does not contain any errors in comma usage?

a. when you are alone, at the beach, you should consider staying on shore.

b. on the other hand, it is always a good idea to swim with a friend.

c. well i'm not sure that's safe.

d. swimming after dark jackie got a bit scared.

6. which sentence does not contain any errors in comma usage?

a. thinking about my afternoon plans i didn't notice the crashing wave until it was too late.

b. according to my mother, an inner tube, is the best way to be in the water.

c. if thunderclouds are rolling in, get out of the water.

d. oh look out, for that motorboat!

7. which sentence does not contain any errors in comma usage?

a. gee i forgot to pack my surfboard.

b. when we arrive at the beach each day, we check to see how rough the surf is.

c. in shallow water, near the shore, beginning swimmers are usually safest.

d. breaking on the shore waves can, easily knock a swimmer over.